Systematic and taxonomic history
The phylogenetic position of the Pieridae is uncertain and needs further study. Two conflicting hypotheses have been proposed: 1. Pieridae is the sister group of Papilionidae (supported by characters described in Scott and Wright 1990); 2. Pieridae is the sister taxon to (Nymphalidae+Lycaenidae) - supporting characters described in Kristensen, 1976.
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